Vauxhall-Opel VXR8 Top Speed: The Vauxhall-Opel VXR8 6.0 V8 - [2007] has a top speed of 174 mph (280.0 kph) Vauxhall-Opel VXR8 Acceleration: This VXR8 accelerates 0-60mph (96.6 kph) in 4.9 seconds or 0-100kph in 5.1 and can achieve an estimated 1/4 mile drag time in 13.4 seconds with a trap speed of 102.1 mph.